The reference source is a ms. of separate parts Mus. 2199-N-2. This Sinfonia in g has been classified by: GiaA 110, TalAl Si 7, RosA II.D.2.3.1. In this version it could be an arrangement of a symphony for a string orchestra to the needs of the Dresda orchestra: flutes and oboes are always doubling the violin parts. Even bassoon is doubling the bass part.